mirror of https://github.com/acidanthera/audk.git
Fix coding style problem in RngDxe driver.
Signed-off-by: Long, Qin <qin.long@intel.com> Reviewed-by: Fu, Siyuan <siyuan.fu@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14878 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Long, Qin
sfu5
parent
5cdb96fa0d
commit
b6023fb17d
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@ -103,6 +103,9 @@ UefiMain (
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//
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RandSize = 32;
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Rand = AllocatePool (RandSize);
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if (Rand == NULL) {
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goto Exit;
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}
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//
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// RNG with default algorithm
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@ -23,11 +23,12 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#define AES_NB 4
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//
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// Pre-computed AES Forward Table: AES_ETABLE[t] = AES_SBOX[t].[02, 01, 01, 03]
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// Pre-computed AES Forward Table: AesForwardTable[t] = AES_SBOX[t].[02, 01, 01, 03]
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// AES_SBOX (AES S-box) is defined in sec 5.1.1 of FIPS PUB 197.
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// This is to speed up execution of the cipher by combining SubBytes and
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// ShiftRows with MixColumns steps and transforming them into table lookups.
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//
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GLOBAL_REMOVE_IF_UNREFERENCED CONST UINT32 AES_FTABLE[] = {
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GLOBAL_REMOVE_IF_UNREFERENCED CONST UINT32 AesForwardTable[] = {
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0xc66363a5, 0xf87c7c84, 0xee777799, 0xf67b7b8d, 0xfff2f20d, 0xd66b6bbd,
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0xde6f6fb1, 0x91c5c554, 0x60303050, 0x02010103, 0xce6767a9, 0x562b2b7d,
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0xe7fefe19, 0xb5d7d762, 0x4dababe6, 0xec76769a, 0x8fcaca45, 0x1f82829d,
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@ -73,77 +74,6 @@ GLOBAL_REMOVE_IF_UNREFERENCED CONST UINT32 AES_FTABLE[] = {
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0x7bb0b0cb, 0xa85454fc, 0x6dbbbbd6, 0x2c16163a
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};
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//
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// Pre-computed AES Reverse Table: AES_DTABLE[t] = AES_INV_SBOX[t].[0e, 09, 0d, 0b]
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//
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GLOBAL_REMOVE_IF_UNREFERENCED CONST UINT32 AES_RTABLE[] = {
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0x51f4a750, 0x7e416553, 0x1a17a4c3, 0x3a275e96, 0x3bab6bcb, 0x1f9d45f1,
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0xacfa58ab, 0x4be30393, 0x2030fa55, 0xad766df6, 0x88cc7691, 0xf5024c25,
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0x4fe5d7fc, 0xc52acbd7, 0x26354480, 0xb562a38f, 0xdeb15a49, 0x25ba1b67,
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0x45ea0e98, 0x5dfec0e1, 0xc32f7502, 0x814cf012, 0x8d4697a3, 0x6bd3f9c6,
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0x038f5fe7, 0x15929c95, 0xbf6d7aeb, 0x955259da, 0xd4be832d, 0x587421d3,
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0x49e06929, 0x8ec9c844, 0x75c2896a, 0xf48e7978, 0x99583e6b, 0x27b971dd,
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0xbee14fb6, 0xf088ad17, 0xc920ac66, 0x7dce3ab4, 0x63df4a18, 0xe51a3182,
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0x97513360, 0x62537f45, 0xb16477e0, 0xbb6bae84, 0xfe81a01c, 0xf9082b94,
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0x70486858, 0x8f45fd19, 0x94de6c87, 0x527bf8b7, 0xab73d323, 0x724b02e2,
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0xe31f8f57, 0x6655ab2a, 0xb2eb2807, 0x2fb5c203, 0x86c57b9a, 0xd33708a5,
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0x302887f2, 0x23bfa5b2, 0x02036aba, 0xed16825c, 0x8acf1c2b, 0xa779b492,
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0xf307f2f0, 0x4e69e2a1, 0x65daf4cd, 0x0605bed5, 0xd134621f, 0xc4a6fe8a,
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0x342e539d, 0xa2f355a0, 0x058ae132, 0xa4f6eb75, 0x0b83ec39, 0x4060efaa,
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0x5e719f06, 0xbd6e1051, 0x3e218af9, 0x96dd063d, 0xdd3e05ae, 0x4de6bd46,
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0x91548db5, 0x71c45d05, 0x0406d46f, 0x605015ff, 0x1998fb24, 0xd6bde997,
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0x894043cc, 0x67d99e77, 0xb0e842bd, 0x07898b88, 0xe7195b38, 0x79c8eedb,
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0xa17c0a47, 0x7c420fe9, 0xf8841ec9, 0x00000000, 0x09808683, 0x322bed48,
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0x1e1170ac, 0x6c5a724e, 0xfd0efffb, 0x0f853856, 0x3daed51e, 0x362d3927,
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0x0a0fd964, 0x685ca621, 0x9b5b54d1, 0x24362e3a, 0x0c0a67b1, 0x9357e70f,
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0xb4ee96d2, 0x1b9b919e, 0x80c0c54f, 0x61dc20a2, 0x5a774b69, 0x1c121a16,
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0xe293ba0a, 0xc0a02ae5, 0x3c22e043, 0x121b171d, 0x0e090d0b, 0xf28bc7ad,
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0x2db6a8b9, 0x141ea9c8, 0x57f11985, 0xaf75074c, 0xee99ddbb, 0xa37f60fd,
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0xf701269f, 0x5c72f5bc, 0x44663bc5, 0x5bfb7e34, 0x8b432976, 0xcb23c6dc,
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0xb6edfc68, 0xb8e4f163, 0xd731dcca, 0x42638510, 0x13972240, 0x84c61120,
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0x854a247d, 0xd2bb3df8, 0xaef93211, 0xc729a16d, 0x1d9e2f4b, 0xdcb230f3,
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0x0d8652ec, 0x77c1e3d0, 0x2bb3166c, 0xa970b999, 0x119448fa, 0x47e96422,
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0xa8fc8cc4, 0xa0f03f1a, 0x567d2cd8, 0x223390ef, 0x87494ec7, 0xd938d1c1,
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0x8ccaa2fe, 0x98d40b36, 0xa6f581cf, 0xa57ade28, 0xdab78e26, 0x3fadbfa4,
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0x2c3a9de4, 0x5078920d, 0x6a5fcc9b, 0x547e4662, 0xf68d13c2, 0x90d8b8e8,
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0x2e39f75e, 0x82c3aff5, 0x9f5d80be, 0x69d0937c, 0x6fd52da9, 0xcf2512b3,
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0xc8ac993b, 0x10187da7, 0xe89c636e, 0xdb3bbb7b, 0xcd267809, 0x6e5918f4,
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0xec9ab701, 0x834f9aa8, 0xe6956e65, 0xaaffe67e, 0x21bccf08, 0xef15e8e6,
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0xbae79bd9, 0x4a6f36ce, 0xea9f09d4, 0x29b07cd6, 0x31a4b2af, 0x2a3f2331,
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0xc6a59430, 0x35a266c0, 0x744ebc37, 0xfc82caa6, 0xe090d0b0, 0x33a7d815,
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0xf104984a, 0x41ecdaf7, 0x7fcd500e, 0x1791f62f, 0x764dd68d, 0x43efb04d,
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0xccaa4d54, 0xe49604df, 0x9ed1b5e3, 0x4c6a881b, 0xc12c1fb8, 0x4665517f,
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0x9d5eea04, 0x018c355d, 0xfa877473, 0xfb0b412e, 0xb3671d5a, 0x92dbd252,
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0xe9105633, 0x6dd64713, 0x9ad7618c, 0x37a10c7a, 0x59f8148e, 0xeb133c89,
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0xcea927ee, 0xb761c935, 0xe11ce5ed, 0x7a47b13c, 0x9cd2df59, 0x55f2733f,
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0x1814ce79, 0x73c737bf, 0x53f7cdea, 0x5ffdaa5b, 0xdf3d6f14, 0x7844db86,
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0xcaaff381, 0xb968c43e, 0x3824342c, 0xc2a3405f, 0x161dc372, 0xbce2250c,
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0x283c498b, 0xff0d9541, 0x39a80171, 0x080cb3de, 0xd8b4e49c, 0x6456c190,
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0x7bcb8461, 0xd532b670, 0x486c5c74, 0xd0b85742
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};
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//
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// AES Inverse S-Box (Defined in sec 5.3.2 of FIPS PUB 197).
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//
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GLOBAL_REMOVE_IF_UNREFERENCED CONST UINT8 AES_INV_SBOX[256] = {
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0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb,
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0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb,
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0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e,
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0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25,
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0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92,
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0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84,
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0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06,
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0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b,
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0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73,
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0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e,
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0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b,
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0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4,
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0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f,
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0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef,
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0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61,
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0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d
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};
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//
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// Round constant word array used in AES key expansion.
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//
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@ -166,25 +96,20 @@ GLOBAL_REMOVE_IF_UNREFERENCED CONST UINT32 Rcon[] = {
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(y)[2] = (UINT8)(((x) >> 8) & 0xFF); (y)[3] = (UINT8)((x) & 0xFF); }
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//
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// Wrap macros for AES forward and reverse tables lookups
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// Wrap macros for AES forward tables lookups
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//
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#define AES_FT0(x) AES_FTABLE[x]
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#define AES_FT1(x) ROTATE_RIGHT32(AES_FTABLE[x], 8)
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#define AES_FT2(x) ROTATE_RIGHT32(AES_FTABLE[x], 16)
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#define AES_FT3(x) ROTATE_RIGHT32(AES_FTABLE[x], 24)
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#define AES_RT0(x) AES_RTABLE[x]
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#define AES_RT1(x) ROTATE_RIGHT32(AES_RTABLE[x], 8)
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#define AES_RT2(x) ROTATE_RIGHT32(AES_RTABLE[x], 16)
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#define AES_RT3(x) ROTATE_RIGHT32(AES_RTABLE[x], 24)
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#define AES_FT0(x) AesForwardTable[x]
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#define AES_FT1(x) ROTATE_RIGHT32(AesForwardTable[x], 8)
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#define AES_FT2(x) ROTATE_RIGHT32(AesForwardTable[x], 16)
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#define AES_FT3(x) ROTATE_RIGHT32(AesForwardTable[x], 24)
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///
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/// AES Key Schedule which is expanded from symmetric key [Size 60 = 4 * ((Max AES Round, 14) + 1)].
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///
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typedef struct {
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UINTN Nk; // Number of Cipher Key (in 32-bit words);
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UINT32 eKey[60]; // Expanded AES encryption key
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UINT32 dKey[60]; // Expanded AES decryption key (Not used here)
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UINT32 EncKey[60]; // Expanded AES encryption key
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UINT32 DecKey[60]; // Expanded AES decryption key (Not used here)
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} AES_KEY;
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/**
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@ -207,8 +132,12 @@ AesExpandKey (
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OUT AES_KEY *AesKey
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)
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{
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UINTN Nk, Nr, NW;
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UINTN i, j, k;
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UINTN Nk;
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UINTN Nr;
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UINTN Nw;
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UINTN Index1;
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UINTN Index2;
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UINTN Index3;
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UINT32 *Ek;
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UINT32 Temp;
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@ -221,52 +150,52 @@ AesExpandKey (
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return EFI_INVALID_PARAMETER;
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}
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Nr = Nk + 6;
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NW = AES_NB * (Nr + 1); // Key Expansion generates a total of Nb * (Nr + 1) words
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Nw = AES_NB * (Nr + 1); // Key Expansion generates a total of Nb * (Nr + 1) words
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AesKey->Nk = Nk;
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//
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// Load initial symmetric AES key;
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// Note that AES was designed on big-endian systems.
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//
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Ek = AesKey->eKey;
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for (i = j = 0; i < Nk; i++, j+=4) {
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LOAD32H (Ek[i], Key + j);
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Ek = AesKey->EncKey;
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for (Index1 = Index2 = 0; Index1 < Nk; Index1++, Index2 += 4) {
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LOAD32H (Ek[Index1], Key + Index2);
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}
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//
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// Initialize the encryption key scheduler
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//
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for (j = Nk, k = 0; j < NW; j+=Nk, k++) {
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Temp = Ek[j - 1];
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Ek[j] = Ek[j - Nk] ^ (AES_FT2((Temp >> 16) & 0xFF) & 0xFF000000) ^
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(AES_FT3((Temp >> 8) & 0xFF) & 0x00FF0000) ^
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(AES_FT0((Temp) & 0xFF) & 0x0000FF00) ^
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(AES_FT1((Temp >> 24) & 0xFF) & 0x000000FF) ^
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Rcon[k];
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for (Index2 = Nk, Index3 = 0; Index2 < Nw; Index2 += Nk, Index3++) {
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Temp = Ek[Index2 - 1];
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Ek[Index2] = Ek[Index2 - Nk] ^ (AES_FT2((Temp >> 16) & 0xFF) & 0xFF000000) ^
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(AES_FT3((Temp >> 8) & 0xFF) & 0x00FF0000) ^
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(AES_FT0((Temp) & 0xFF) & 0x0000FF00) ^
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(AES_FT1((Temp >> 24) & 0xFF) & 0x000000FF) ^
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Rcon[Index3];
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if (Nk <= 6) {
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//
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// If AES Cipher Key is 128 or 192 bits
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//
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for (i = 1; i < Nk && (i + j) < NW; i++) {
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Ek [i + j] = Ek [i + j - Nk] ^ Ek[i + j - 1];
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for (Index1 = 1; Index1 < Nk && (Index1 + Index2) < Nw; Index1++) {
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Ek [Index1 + Index2] = Ek [Index1 + Index2 - Nk] ^ Ek[Index1 + Index2 - 1];
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}
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} else {
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//
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// Different routine for key expansion If Cipher Key is 256 bits,
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//
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for (i = 1; i < 4 && (i + j) < NW; i++) {
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Ek [i + j] = Ek[i + j - Nk] ^ Ek[i + j - 1];
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for (Index1 = 1; Index1 < 4 && (Index1 + Index2) < Nw; Index1++) {
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Ek [Index1 + Index2] = Ek[Index1 + Index2 - Nk] ^ Ek[Index1 + Index2 - 1];
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}
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if (j + 4 < NW) {
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Temp = Ek[j + 3];
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Ek[j + 4] = Ek[j + 4 - Nk] ^ (AES_FT2((Temp >> 24) & 0xFF) & 0xFF000000) ^
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(AES_FT3((Temp >> 16) & 0xFF) & 0x00FF0000) ^
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(AES_FT0((Temp >> 8) & 0xFF) & 0x0000FF00) ^
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(AES_FT1((Temp) & 0xFF) & 0x000000FF);
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if (Index2 + 4 < Nw) {
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Temp = Ek[Index2 + 3];
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Ek[Index2 + 4] = Ek[Index2 + 4 - Nk] ^ (AES_FT2((Temp >> 24) & 0xFF) & 0xFF000000) ^
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(AES_FT3((Temp >> 16) & 0xFF) & 0x00FF0000) ^
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(AES_FT0((Temp >> 8) & 0xFF) & 0x0000FF00) ^
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(AES_FT1((Temp) & 0xFF) & 0x000000FF);
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}
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for (i = 5; i < Nk && (i + j) < NW; i++) {
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Ek[i + j] = Ek[i + j - Nk] ^ Ek[i + j - 1];
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for (Index1 = 5; Index1 < Nk && (Index1 + Index2) < Nw; Index1++) {
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Ek[Index1 + Index2] = Ek[Index1 + Index2 - Nk] ^ Ek[Index1 + Index2 - 1];
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}
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}
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}
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@ -295,8 +224,15 @@ AesEncrypt (
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{
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AES_KEY AesKey;
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UINTN Nr;
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UINT32 *Ek, s[4], t[4], *x, *y, *Temp;
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UINTN Index, k, Round;
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UINT32 *Ek;
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UINT32 State[4];
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UINT32 TempState[4];
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UINT32 *StateX;
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UINT32 *StateY;
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UINT32 *Temp;
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UINTN Index;
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UINTN NbIndex;
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UINTN Round;
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if ((Key == NULL) || (InData == NULL) || (OutData == NULL)) {
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return EFI_INVALID_PARAMETER;
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@ -308,59 +244,60 @@ AesEncrypt (
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AesExpandKey (Key, 128, &AesKey);
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Nr = AesKey.Nk + 6;
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Ek = AesKey.eKey;
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Ek = AesKey.EncKey;
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//
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// Initialize the cipher State array with the initial round key
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//
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for (Index = 0; Index < AES_NB; Index++) {
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LOAD32H (s[Index], InData + 4 * Index);
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s[Index] ^= Ek[Index];
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LOAD32H (State[Index], InData + 4 * Index);
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State[Index] ^= Ek[Index];
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}
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k = AES_NB;
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||||
x = s;
|
||||
y = t;
|
||||
NbIndex = AES_NB;
|
||||
StateX = State;
|
||||
StateY = TempState;
|
||||
|
||||
//
|
||||
// AES Cipher transformation rounds (Nr - 1 rounds), in which SubBytes(),
|
||||
// ShiftRows() and MixColumns() operations were combined by a sequence of
|
||||
// table lookups to speed up the execution.
|
||||
//
|
||||
for (Round = 1; Round < Nr; Round++) {
|
||||
y[0] = AES_FT0 ((x[0] >> 24) ) ^ AES_FT1 ((x[1] >> 16) & 0xFF) ^
|
||||
AES_FT2 ((x[2] >> 8) & 0xFF) ^ AES_FT3 ((x[3] ) & 0xFF) ^ Ek[k];
|
||||
y[1] = AES_FT0 ((x[1] >> 24) ) ^ AES_FT1 ((x[2] >> 16) & 0xFF) ^
|
||||
AES_FT2 ((x[3] >> 8) & 0xFF) ^ AES_FT3 ((x[0] ) & 0xFF) ^ Ek[k + 1];
|
||||
y[2] = AES_FT0 ((x[2] >> 24) ) ^ AES_FT1 ((x[3] >> 16) & 0xFF) ^
|
||||
AES_FT2 ((x[0] >> 8) & 0xFF) ^ AES_FT3 ((x[1] ) & 0xFF) ^ Ek[k + 2];
|
||||
y[3] = AES_FT0 ((x[3] >> 24) ) ^ AES_FT1 ((x[0] >> 16) & 0xFF) ^
|
||||
AES_FT2 ((x[1] >> 8) & 0xFF) ^ AES_FT3 ((x[2] ) & 0xFF) ^ Ek[k + 3];
|
||||
StateY[0] = AES_FT0 ((StateX[0] >> 24) ) ^ AES_FT1 ((StateX[1] >> 16) & 0xFF) ^
|
||||
AES_FT2 ((StateX[2] >> 8) & 0xFF) ^ AES_FT3 ((StateX[3] ) & 0xFF) ^ Ek[NbIndex];
|
||||
StateY[1] = AES_FT0 ((StateX[1] >> 24) ) ^ AES_FT1 ((StateX[2] >> 16) & 0xFF) ^
|
||||
AES_FT2 ((StateX[3] >> 8) & 0xFF) ^ AES_FT3 ((StateX[0] ) & 0xFF) ^ Ek[NbIndex + 1];
|
||||
StateY[2] = AES_FT0 ((StateX[2] >> 24) ) ^ AES_FT1 ((StateX[3] >> 16) & 0xFF) ^
|
||||
AES_FT2 ((StateX[0] >> 8) & 0xFF) ^ AES_FT3 ((StateX[1] ) & 0xFF) ^ Ek[NbIndex + 2];
|
||||
StateY[3] = AES_FT0 ((StateX[3] >> 24) ) ^ AES_FT1 ((StateX[0] >> 16) & 0xFF) ^
|
||||
AES_FT2 ((StateX[1] >> 8) & 0xFF) ^ AES_FT3 ((StateX[2] ) & 0xFF) ^ Ek[NbIndex + 3];
|
||||
|
||||
k += 4;
|
||||
Temp = x; x = y; y = Temp;
|
||||
NbIndex += 4;
|
||||
Temp = StateX; StateX = StateY; StateY = Temp;
|
||||
}
|
||||
|
||||
//
|
||||
// Apply the final round, which does not include MixColumns() transformation
|
||||
//
|
||||
y[0] = (AES_FT2 ((x[0] >> 24) ) & 0xFF000000) ^ (AES_FT3 ((x[1] >> 16) & 0xFF) & 0x00FF0000) ^
|
||||
(AES_FT0 ((x[2] >> 8) & 0xFF) & 0x0000FF00) ^ (AES_FT1 ((x[3] ) & 0xFF) & 0x000000FF) ^
|
||||
Ek[k];
|
||||
y[1] = (AES_FT2 ((x[1] >> 24) ) & 0xFF000000) ^ (AES_FT3 ((x[2] >> 16) & 0xFF) & 0x00FF0000) ^
|
||||
(AES_FT0 ((x[3] >> 8) & 0xFF) & 0x0000FF00) ^ (AES_FT1 ((x[0] ) & 0xFF) & 0x000000FF) ^
|
||||
Ek[k + 1];
|
||||
y[2] = (AES_FT2 ((x[2] >> 24) ) & 0xFF000000) ^ (AES_FT3 ((x[3] >> 16) & 0xFF) & 0x00FF0000) ^
|
||||
(AES_FT0 ((x[0] >> 8) & 0xFF) & 0x0000FF00) ^ (AES_FT1 ((x[1] ) & 0xFF) & 0x000000FF) ^
|
||||
Ek[k + 2];
|
||||
y[3] = (AES_FT2 ((x[3] >> 24) ) & 0xFF000000) ^ (AES_FT3 ((x[0] >> 16) & 0xFF) & 0x00FF0000) ^
|
||||
(AES_FT0 ((x[1] >> 8) & 0xFF) & 0x0000FF00) ^ (AES_FT1 ((x[2] ) & 0xFF) & 0x000000FF) ^
|
||||
Ek[k + 3];
|
||||
StateY[0] = (AES_FT2 ((StateX[0] >> 24) ) & 0xFF000000) ^ (AES_FT3 ((StateX[1] >> 16) & 0xFF) & 0x00FF0000) ^
|
||||
(AES_FT0 ((StateX[2] >> 8) & 0xFF) & 0x0000FF00) ^ (AES_FT1 ((StateX[3] ) & 0xFF) & 0x000000FF) ^
|
||||
Ek[NbIndex];
|
||||
StateY[1] = (AES_FT2 ((StateX[1] >> 24) ) & 0xFF000000) ^ (AES_FT3 ((StateX[2] >> 16) & 0xFF) & 0x00FF0000) ^
|
||||
(AES_FT0 ((StateX[3] >> 8) & 0xFF) & 0x0000FF00) ^ (AES_FT1 ((StateX[0] ) & 0xFF) & 0x000000FF) ^
|
||||
Ek[NbIndex + 1];
|
||||
StateY[2] = (AES_FT2 ((StateX[2] >> 24) ) & 0xFF000000) ^ (AES_FT3 ((StateX[3] >> 16) & 0xFF) & 0x00FF0000) ^
|
||||
(AES_FT0 ((StateX[0] >> 8) & 0xFF) & 0x0000FF00) ^ (AES_FT1 ((StateX[1] ) & 0xFF) & 0x000000FF) ^
|
||||
Ek[NbIndex + 2];
|
||||
StateY[3] = (AES_FT2 ((StateX[3] >> 24) ) & 0xFF000000) ^ (AES_FT3 ((StateX[0] >> 16) & 0xFF) & 0x00FF0000) ^
|
||||
(AES_FT0 ((StateX[1] >> 8) & 0xFF) & 0x0000FF00) ^ (AES_FT1 ((StateX[2] ) & 0xFF) & 0x000000FF) ^
|
||||
Ek[NbIndex + 3];
|
||||
|
||||
//
|
||||
// Output the transformed result;
|
||||
//
|
||||
for (Index = 0; Index < AES_NB; Index++) {
|
||||
STORE32H (y[Index], OutData + 4 * Index);
|
||||
STORE32H (StateY[Index], OutData + 4 * Index);
|
||||
}
|
||||
|
||||
return EFI_SUCCESS;
|
||||
|
|
|
|||
|
|
@ -36,7 +36,9 @@
|
|||
[Sources.common]
|
||||
RngDxe.c
|
||||
RdRand.c
|
||||
RdRand.h
|
||||
AesCore.c
|
||||
AesCore.h
|
||||
|
||||
[Sources.IA32]
|
||||
IA32/RdRandWord.c
|
||||
|
|
|
|||
Loading…
Reference in New Issue